drm: don't use idr_remove_all()

idr_destroy() can destroy idr by itself and idr_remove_all() is being
deprecated. Drop its usage.

* drm_ctxbitmap_cleanup() was calling idr_remove_all() but forgetting
idr_destroy() thus leaking all buffered free idr_layers. Replace it
with idr_destroy().

Signed-off-by: Tejun Heo <[e-mail]>
Acked-by: David Airlie <[e-mail]>
Cc: Inki Dae <[e-mail]>
Cc: Joonyoung Shim <[e-mail]>
Cc: Seung-Woo Kim <[e-mail]>
Cc: Kyungmin Park <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/gpu/drm/drm_context.c

···
 void drm_ctxbitmap_cleanup(struct drm_device * dev)
 {
 	mutex_lock(&dev->struct_mutex);
-	idr_remove_all(&dev->ctx_idr);
+	idr_destroy(&dev->ctx_idr);
 	mutex_unlock(&dev->struct_mutex);
 }
 

drivers/gpu/drm/drm_crtc.c

···
 		crtc->funcs->destroy(crtc);
 	}
 
-	idr_remove_all(&dev->mode_config.crtc_idr);
 	idr_destroy(&dev->mode_config.crtc_idr);
 }
 EXPORT_SYMBOL(drm_mode_config_cleanup);

drivers/gpu/drm/drm_drv.c

···
 
 	unregister_chrdev(DRM_MAJOR, "drm");
 
-	idr_remove_all(&drm_minors_idr);
 	idr_destroy(&drm_minors_idr);
 }
 

drivers/gpu/drm/drm_gem.c

···
 {
 	idr_for_each(&file_private->object_idr,
 		     &drm_gem_object_release_handle, file_private);
-
-	idr_remove_all(&file_private->object_idr);
 	idr_destroy(&file_private->object_idr);
 }
 

drivers/gpu/drm/exynos/exynos_drm_ipp.c

···
 			drm_iommu_detach_device(drm_dev, ippdrv->dev);
 
 err_idr:
-	idr_remove_all(&ctx->ipp_idr);
-	idr_remove_all(&ctx->prop_idr);
 	idr_destroy(&ctx->ipp_idr);
 	idr_destroy(&ctx->prop_idr);
 	return ret;
···
 	exynos_drm_subdrv_unregister(&ctx->subdrv);
 
 	/* remove,destroy ipp idr */
-	idr_remove_all(&ctx->ipp_idr);
-	idr_remove_all(&ctx->prop_idr);
 	idr_destroy(&ctx->ipp_idr);
 	idr_destroy(&ctx->prop_idr);
 

drivers/gpu/drm/sis/sis_drv.c

···
 {
 	drm_sis_private_t *dev_priv = dev->dev_private;
 
-	idr_remove_all(&dev_priv->object_idr);
 	idr_destroy(&dev_priv->object_idr);
 
 	kfree(dev_priv);

drivers/gpu/drm/via/via_map.c

···
 {
 	drm_via_private_t *dev_priv = dev->dev_private;
 
-	idr_remove_all(&dev_priv->object_idr);
 	idr_destroy(&dev_priv->object_idr);
 
 	kfree(dev_priv);